fix Issue 11759 - Poor error message trying to use lowercase L in lit…

…eral suffix
dlang · Dec 18, 2013 · e1d1790 · e1d1790
1 parent 00e4068
commit e1d1790
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Showing 2 changed files with 17 additions and 3 deletions.
diff --git a/src/lexer.c b/src/lexer.c
@@ -2009,14 +2009,20 @@ TOK Lexer::number(Token *t)
     // Parse trailing 'u', 'U', 'l' or 'L' in any combination
     const utf8_t *psuffix = p;
     while (1)
-    {   utf8_t f;
-
+    {
+        utf8_t f;
         switch (*p)
-        {   case 'U':
+        {
+            case 'U':
             case 'u':
                 f = FLAGS_unsigned;
                 goto L1;
 
+            case 'l':
+                f = FLAGS_long;
+                error("Lower case integer suffix 'l' is not allowed. Please use 'L' instead");
+                goto L1;
+
             case 'L':
                 f = FLAGS_long;
             L1:

diff --git a/test/fail_compilation/diag11759.d b/test/fail_compilation/diag11759.d
@@ -0,0 +1,8 @@
+/*
+TEST_OUTPUT:
+---
+fail_compilation/diag11759.d(8): Error: Lower case integer suffix 'l' is not allowed. Please use 'L' instead
+---
+*/
+
+ulong x = 123ul;